ldp: fixes/improvements to select

Change-Id: I3f3e8fce01309da02689c7e9d23cf1b3181e78c9
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vcl/ldp.h b/src/vcl/ldp.h
index f96219f..304b79c 100644
--- a/src/vcl/ldp.h
+++ b/src/vcl/ldp.h
@@ -31,7 +31,7 @@
 #define LDP_ENV_APP_NAME  "LDP_APP_NAME"
 #define LDP_ENV_SID_BIT   "LDP_SID_BIT"
 
-#define LDP_SID_BIT_MIN   9
+#define LDP_SID_BIT_MIN   5
 #define LDP_SID_BIT_MAX   30
 
 #define LDP_APP_NAME_MAX  256